Invention Grant
- Patent Title: Removal of mercury from caustic solutions
- Patent Title (中): 从原始解决方案中清除汞
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Application No.: US3764495DApplication Date: 1971-04-21
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Publication No.: US3764495APublication Date: 1973-10-09
- Inventor: GUPTILL J , FOLEY G
- Applicant: ALLIED CHEM
- Assignee: Allied Corp
- Current Assignee: Allied Corp
- Priority: US13597171 1971-04-21
- Main IPC: C01D1/28
- IPC: C01D1/28 ; C02F9/00 ; C25B9/00 ; C01D1/08 ; B01D19/00 ; B01D47/00
Abstract:
A METHOD FOR REMOVING MERCURY FROM A MERCURY CELL CAUSTIC SODA OR CAUSTIC POTASH SOLUTION WHEREIN A VAPOR OR GAS IS PASSED THROUGH THE SOLUTION IN THE PRESENCE OF A SMALL AMOUNT OF A REDUCING AGENT. CAUSTIC SOLUTIONS ARE OBTAINED CONTAINING AS LOW A CONCENTRATION OF MERCURY AS 0.01 PART PER MILLION. SPECIAL MEANS ARE PROVIDED FOR RECOVERY OF THE MERCURY.
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